isc::dhcp::OptionDefParser Class Reference

Parser for a single option definition. More...

#include <dhcp_parsers.h>

Inheritance diagram for isc::dhcp::OptionDefParser:

Public Member Functions
	OptionDefParser (const uint16_t address_family)
	Constructor.
OptionDefinitionPtr	parse (isc::data::ConstElementPtr option_def)
	Parses an entry that describes single option definition.
Public Member Functions inherited from isc::data::SimpleParser
uint16_t	getUint16 (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a value converted to uint16_t.
uint32_t	getUint32 (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a value converted to uint32_t.
uint8_t	getUint8 (ConstElementPtr scope, const std::string &name)
	Get an uint8_t value.
const isc::util::Triplet< uint32_t >	parseIntTriplet (const data::ConstElementPtr &scope, const std::string &name)
	Parses an integer triplet.

Additional Inherited Members
Static Public Member Functions inherited from isc::data::SimpleParser
static void	checkKeywords (const SimpleKeywords &keywords, isc::data::ConstElementPtr scope)
	Checks acceptable keywords with their expected type.
static void	checkRequired (const SimpleRequiredKeywords &required, isc::data::ConstElementPtr scope)
	Checks that all required keywords are present.
static size_t	deriveParams (isc::data::ConstElementPtr parent, isc::data::ElementPtr child, const ParamsList &params)
	Derives (inherits) parameters from parent scope to a child.
static isc::asiolink::IOAddress	getAddress (const ConstElementPtr &scope, const std::string &name)
	Returns a IOAddress parameter from a scope.
static bool	getBoolean (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a boolean parameter from a scope.
static double	getDouble (const ConstElementPtr &scope, const std::string &name)
	Returns a floating point parameter from a scope.
static int64_t	getInteger (isc::data::ConstElementPtr scope, const std::string &name)
	Returns an integer parameter from a scope.
static int64_t	getInteger (isc::data::ConstElementPtr scope, const std::string &name, int64_t min, int64_t max)
	Returns an integer parameter from a scope and checks its range.
static const data::Element::Position &	getPosition (const std::string &name, const data::ConstElementPtr parent)
	Utility method that returns position of an element.
static std::string	getString (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a string parameter from a scope.
static size_t	setDefaults (isc::data::ElementPtr scope, const SimpleDefaults &default_values)
	Sets the default values.
static size_t	setListDefaults (isc::data::ConstElementPtr list, const SimpleDefaults &default_values)
	Sets the default values for all entries in a list.
Protected Member Functions inherited from isc::data::SimpleParser
template<typename target_type , target_type convert>
target_type	getAndConvert (isc::data::ConstElementPtr scope, const std::string &name, const std::string &type_name)
	Returns a converted value from a scope.
template<typename int_type >
int_type	getIntType (isc::data::ConstElementPtr scope, const std::string &name)
	Returns an integer value with range checking from a scope.

Detailed Description

Parser for a single option definition.

This parser creates an instance of a single option definition.

Definition at line 228 of file dhcp_parsers.h.

Constructor & Destructor Documentation

OptionDefParser()

isc::dhcp::OptionDefParser::OptionDefParser

(

const uint16_t

address_family

)

Constructor.

Parameters

address_family

Address family: AF_INET or AF_INET6.

Definition at line 131 of file dhcp_parsers.cc.

Member Function Documentation

parse()

OptionDefinitionPtr isc::dhcp::OptionDefParser::parse

(

isc::data::ConstElementPtr

option_def

)

Parses an entry that describes single option definition.

Parameters

option_def

a configuration entry to be parsed.

Returns

option definition of the parsed structure.

Exceptions

DhcpConfigError

if parsing was unsuccessful.

Definition at line 136 of file dhcp_parsers.cc.

References isc::data::SimpleParser::checkKeywords(), DHCP4_OPTION_SPACE, DHCP6_OPTION_SPACE, isc::dhcp::DHO_END, isc::dhcp::DHO_PAD, isc::data::SimpleParser::getBoolean(), isc::data::SimpleParser::getInteger(), isc::data::SimpleParser::getPosition(), isc::data::SimpleParser::getString(), isc_throw, isc::dhcp::SimpleParser4::OPTION4_DEF_PARAMETERS, isc::dhcp::SimpleParser6::OPTION6_DEF_PARAMETERS, isc::util::str::tokens(), isc::dhcp::OptionSpace::validateName(), and isc::Exception::what().

Referenced by isc::dhcp::ClientClassDefParser::parse(), and isc::dhcp::OptionDefListParser::parse().

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The documentation for this class was generated from the following files:

• dhcp_parsers.h
• dhcp_parsers.cc